Home / 107,206.68-160,817.72-28,320.12

Finding the Fourth Proportional to 107,206.68, 160,817.72 and 28,320.12

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Solution

The fourth proportional to 107,206.68, 160,817.72 and 28,320.12 is: 42,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,206.68 : 160,817.72 = 28,320.12 : x
  2. Step 2: Convert to fraction form
    107,206.68/160,817.72 = 28,320.12/x
  3. Step 3: Cross multiply
    107,206.68x = 160,817.72 × 28,320.12
  4. Step 4: Simplify right side
    107,206.68x = 4,554,377,128.53
  5. Step 5: Solve for x
    x = 4,554,377,128.53/107,206.68
  6. Step 6: Final answer
    x = 42,482.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.